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Method, device, and system for supplying power from batteries

a technology of power supply and battery, applied in the field of communication technologies, can solve the problems of serious safety hazards and reduce the cycle life of batteries, and achieve the effects of reducing the replacement frequency of standby batteries, prolonging the life of standby batteries, and improving the use of standby batteries

Inactive Publication Date: 2012-11-22
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text describes a method, device, and system for supplying power from batteries that can use different types of batteries in parallel. This allows for better utilization of batteries with different discharging characteristics, extended life of standby batteries, and reduced replacement frequency. The use of parallel batteries also improves power backup time and reliability of the system.

Problems solved by technology

If new and old batteries are directly connected in parallel for use, a significant bias current is generated, and even a new battery with long life may be affected, which greatly reduces the cycle life of a battery; and even worse, a battery set is over-charged or over-discharged, and as a result, the battery is inflated and broken, a serious safety hazard may occur.

Method used

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  • Method, device, and system for supplying power from batteries
  • Method, device, and system for supplying power from batteries
  • Method, device, and system for supplying power from batteries

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Embodiment Construction

[0031]The technical solutions of the embodiments are hereinafter described clearly and completely with reference to the accompanying drawings in the embodiments. It is evident that the described embodiments are only some exemplary, rather than all possible embodiments that embody the claims. All other embodiments that persons of ordinary skill in the art obtain without creative efforts based on the embodiments also fall within the protection scope of the claims.

[0032]According to the technical solutions of the embodiments, by utilizing the characteristics of deep cycle and long life of a cycling battery and the power backup characteristic of insufficient capacity of a standby battery, the cycling battery and the standby battery of different types and with different discharging characteristics are used in parallel, so that the utilization of the standby battery is improved.

[0033]Firstly, a method for supplying power from batteries according to an embodiment is described hereinafter. ...

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Abstract

A method for supplying power from batteries includes: detecting a power supply state of a cycling battery in a system, where the system firstly uses the cycling battery to supply power to a load; and when a voltage of the cycling battery drops to a voltage threshold, activating a standby battery to supply power to the load.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is a continuation of International Application No. PCT / CN2011 / 070462, filed on Jan. 21, 2011, which claims priority to Chinese Patent Application No. 201010111252.3, filed on Feb. 10, 2010, both of which are hereby incorporated by reference in their entireties.FIELD OF THE APPLICATION[0002]The present application relates to the field of communication technologies, and in particular, to a method, a device, and a system for supplying power from batteries.BACKGROUND OF THE APPLICATION[0003]With the rapid development of the mobile communication scale, the number of unattended outdoor base stations is increasing. Because most of the outdoor base stations are generally located in remote areas, the mains supply conditions are adverse or even no mains supply is available for the base stations. A majority of communication base stations without mains supply in the current network use double oil engines for supplying power in turn. ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H01M2/00H02J7/00H02J7/04
CPCH02J9/06Y02B70/30Y04S20/20
Inventor YE, JIANSHELE, BINMO, YUANBOPENG, JUNKE
Owner HUAWEI TECH CO LTD
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